CVE-2026-23469: drm/imagination: Synchronize interrupts before suspending the GPU
In the Linux kernel, the following vulnerability has been resolved:
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.187-1Fixed in 6.12.107-1Fixed in 7.2.6-1Fixed in 7.2.7-1 - Configuration
Remove the runtime PM resume and put calls from the threaded IRQ handler.
drm/imagination threaded IRQ handler runtime PM resume/put calls = removed - Configuration
During the GPU power-off sequence, call synchronize_irq() to wait for IRQ handlers running on other CPU cores to finish before suspending the GPU.
drm/imagination runtime PM suspend callback IRQ synchronization = synchronize_irq()
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23469?
CVE-2026-23469 is classified as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2026-23469?
To fix CVE-2026-23469, users should update their Linux kernel to the latest patched version.
What systems are affected by CVE-2026-23469?
CVE-2026-23469 affects the Linux kernel, particularly versions that handle GPU suspend functionality.
What is the impact of CVE-2026-23469?
The impact of CVE-2026-23469 involves potential instability during GPU suspend operations due to improper interrupt handling.
Is CVE-2026-23469 being actively exploited?
As of now, there is no public information indicating that CVE-2026-23469 is being actively exploited.